Where: Ica, Peru (14.8° S, 75.5° W: paleocoordinates 17.2° S, 68.0° W)
• coordinate estimated from map
When: Late/Upper Eocene (37.2 - 33.9 Ma)
• Calocyclas bandyca radiolarian zone, may be correlative to porcelanitic layers of the Yumaque Formation from the northern Pisco Basin
Environment/lithology: marine; diatomaceous sandstone
Primary reference: R. Marty, R. Dunbar, J. B. Martin and P. Baker. 1988. Late Eocene diatomite from the Peruvian coastal desert, coastal upwelling in the eastern Pacific, and Pacific circulation before the terminal Eocene event. Geology 16:818-822 [M. Uhen/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 84654: authorized by Mark Uhen, entered by Mark Uhen on 05.11.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Eusyringium fistuligerum radiolarian
Eusyringium lagena radiolarian | |
|
Calocyclas hispida Ehrenberg) 1873 radiolarian
Calocyclas turris Ehrenberg 1874 radiolarian
Calocycloma ampulla Ehrenberg 1862 radiolarian | |
Siphocampe acephala, Dictyoprora pirum, Dictyoprora urceolus, Dictyoprora amphora, Dictyoprora mongolfieri
Siphocampe acephala radiolarian
Dictyoprora pirum radiolarian
Dictyoprora urceolus radiolarian
Dictyoprora amphora Haeckel) 1887 radiolarian
Dictyoprora mongolfieri Ehrenberg 1854 radiolarian | |
|
"Carpocanistrum" azyx radiolarian | |
|
Centrobotrys gravida radiolarian | |
|
Theocyrtis tuberosa radiolarian
Podocyrtis chalara radiolarian
"Podocyrtis papalis" = Podocyrtis (Podocyrtis) papalis Ehrenberg 1847 radiolarian | |
|
Lychnocanoma bellum Clark and Campbell 1942 radiolarian | |
"Tristylospyris triceros" = Tholospyris
"Tristylospyris triceros" = Tholospyris radiolarian | |
|
Lithocyclia aristotelis radiolarian
Lithocyclia ocellus Ehrenberg 1854 radiolarian | |
|
Lithapium sp. radiolarian | |